Zeta Potential in Colloid Science

Preface Chapter 1 Introduction 1.1 Origin and classification of electrokinetic effects 1.2 The zeta potential and the surface of shear 1.3 Significance of zeta potential 1.4 Outline of the structure of this treatment 1.5 The basic equations References Chapter 2 Charge and Potential Distribution at Interfaces 2.1 The electrostatic potential of a phase 2.2 Mechanism of charge development at interfaces 2.3 The potential and charge distribution in the electrical double layer (classical theory) 2.3.1 The flat plate model 2.3.2 The double layer around a sphere 2.3.3 The double layer around a cylinder 2.4 Modifications to the Gouy-Chapman theory for flat plates 2.4.1 The inner (compact) layer 2.4.2 The dielectric permittivity of the inner region 2.4.3 The discreteness of charge effect 2.4.4 The diffuse layer 2.5 The double layer around a sphere 2.5.1 The exact solution of the Poisson-Boltzmann equation 2.5.2 Analytical approximations 2.5.3 Correction for finite ion size 2.5.4 The compact layer around a sphere 2.6 The double layer around a cylinder 2.7 The double diffuse double layer References Chapter 3 The Calculation of Zeta Potential I. Classical Theory 3.1 Electro-osmosis 3.2 Streaming Potential 3.3 Electrophoresis 3.4 Sedimentation potential II. More Recent Development 3.5 Electro-osmosis 3.6 Streaming potential 3.7 Electrophoresis 3.8 The sedimentation potential 3.9 Validity of the electrokinetic equations References Chapter 4 Measurement of Electrokinetic Parameters 4.1 Electro-osmosis 4.1.1 Electrical measurements 4.1.2 Measurement of liquid volume 4.1.3 Flow in a single closed capillary 4.1.4 Electro-osmotic counter pressure 4.2 Streaming potential measurements 4.2.1 Cells for use with powders 4.2.2 The electrical measurements 4.2.3 Pressure measurement 4.2.4 The cell packing 4.2.5 Data treatment 4.2.6 Measurement of streaming current 4.2.7 Sinusoidal measurements 4.3 Electrophoresis measurements 4.3.1 Microelectrophoresis 4.3.2 Moving boundary methods 4.3.3 Tracer electrophoresis 4.3.4 The mass transport method 4.3.5 Electrophoretic light scattering 4.3.6 Non-uniform field measurements 4.3.7 Other procedures 4.4 Sedimentation potential ReferencesChapter 5 Electroviscous and Viscoelectric Effects 5.1 Porous plugs and capillaries 5.1.1 The primary electroviscous effect 5.1.2 The secondary electroviscous effect 5.1.3 The tertiary electroviscous effect 5.1.4 Experimental data on the electroviscous effect in capillary systems 5.2 Suspensions of spherical particles 5.2.1 The primary electroviscous effect 5.2.2 The secondary electroviscous effect 5.2.3 Experimental evidence on the primary and secondary electroviscous effects in suspensions 5.2.4 The tertiary electroviscous effect 5.3 The viscoelectric effect 5.3.1 Modified viscosity and permittivity in the double layer 5.4 Position of the plane of shear ReferencesChapter 6 Applications of the Zeta Potential 6.1 Ionic adsorption at interfaces 6.2 Simple inorganic ions as solutes 6.2.1 Potential-determining and indifferent ions 6.2.2 The point of zero charge 6.2.3 The isoelectric point 6.2.4 Specifically adsorbed ions 6.3 Charge and potential distribution for the Gouy-Chapman-Stern-Grahame (GCSG) model of the interface 6.4 Zeta potential and colloid stability 6.5 Sedimentation volume and settling time 6.6 Electrophoretic deposition 6.7 Flotation 6.